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74000070 = 2325822223
BaseRepresentation
bin1000110100100…
…10011011000110
312011020121000100
410122102123012
5122421000240
611202024530
71555663434
oct432223306
9164217010
1074000070
1138853391
1220948146
131243c431
149b83d54
15676ae30
hex46926c6

74000070 has 24 divisors (see below), whose sum is σ = 192400416. Its totient is φ = 19733328.

The previous prime is 74000057. The next prime is 74000077. The reversal of 74000070 is 7000047.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74000077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411022 + ... + 411201.

It is an arithmetic number, because the mean of its divisors is an integer number (8016684).

Almost surely, 274000070 is an apocalyptic number.

74000070 is an abundant number, since it is smaller than the sum of its proper divisors (118400346).

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

74000070 is a wasteful number, since it uses less digits than its factorization.

74000070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822236 (or 822233 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 74000070 is about 8602.3293357090. The cubic root of 74000070 is about 419.8337777608.

The spelling of 74000070 in words is "seventy-four million, seventy", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 822223 1644446 2466669 4111115 4933338 7400007 8222230 12333345 14800014 24666690 37000035 74000070