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74574070 = 2517438671
BaseRepresentation
bin1000111000111…
…10100011110110
312012022202101121
410130132203312
5123042332240
611222214154
71563604054
oct434364366
9165282347
1074574070
113910566a
1220b8435a
13125b078c
149c931d4
15683104a
hex471e8f6

74574070 has 16 divisors (see below), whose sum is σ = 142129728. Its totient is φ = 28074880.

The previous prime is 74574061. The next prime is 74574077. The reversal of 74574070 is 7047547.

It is a super-2 number, since 2×745740702 = 11122583832729800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74574077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219166 + ... + 219505.

It is an arithmetic number, because the mean of its divisors is an integer number (8883108).

Almost surely, 274574070 is an apocalyptic number.

74574070 is a deficient number, since it is larger than the sum of its proper divisors (67555658).

74574070 is a wasteful number, since it uses less digits than its factorization.

74574070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438695.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 74574070 is about 8635.6279447415. The cubic root of 74574070 is about 420.9164982411.

The spelling of 74574070 in words is "seventy-four million, five hundred seventy-four thousand, seventy".

Divisors: 1 2 5 10 17 34 85 170 438671 877342 2193355 4386710 7457407 14914814 37287035 74574070