74405070 has 24 divisors (see below), whose sum is σ = 193453416. Its totient is φ = 19841328.

The previous prime is 74405059. The next prime is 74405143. The reversal of 74405070 is 7050447.

It is a super-2 number, since 2×74405070² = 11072228883409800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413272 + ... + 413451.

It is an arithmetic number, because the mean of its divisors is an integer number (8060559).

Almost surely, 2^74405070 is an apocalyptic number.

74405070 is an abundant number, since it is smaller than the sum of its proper divisors (119048346).

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

74405070 is a wasteful number, since it uses less digits than its factorization.

74405070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826736 (or 826733 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 74405070 is about 8625.8373506576. The cubic root of 74405070 is about 420.5982969712.

The spelling of 74405070 in words is "seventy-four million, four hundred five thousand, seventy".