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74044470 = 2353976217
BaseRepresentation
bin1000110100111…
…01010000110110
312011022211220210
410122131100312
5122423410340
611203010250
71556240043
oct432352066
9164284823
1074044470
1138883785
1220969986
13124566c6
149b961ca
156779180
hex469d436

74044470 has 32 divisors (see below), whose sum is σ = 178183008. Its totient is φ = 19692288.

The previous prime is 74044417. The next prime is 74044471. The reversal of 74044470 is 7444047.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74044471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8802 + ... + 15018.

It is an arithmetic number, because the mean of its divisors is an integer number (5568219).

Almost surely, 274044470 is an apocalyptic number.

74044470 is an abundant number, since it is smaller than the sum of its proper divisors (104138538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74044470 is a wasteful number, since it uses less digits than its factorization.

74044470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 74044470 is about 8604.9096450805. The cubic root of 74044470 is about 419.9177276492.

The spelling of 74044470 in words is "seventy-four million, forty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 397 794 1191 1985 2382 3970 5955 6217 11910 12434 18651 31085 37302 62170 93255 186510 2468149 4936298 7404447 12340745 14808894 24681490 37022235 74044470