74145370 has 48 divisors (see below), whose sum is σ = 146741112. Its totient is φ = 26956800.

The previous prime is 74145341. The next prime is 74145427. The reversal of 74145370 is 7354147.

It can be written as a sum of positive squares in 12 ways, for example, as 1708249 + 72437121 = 1307^2 + 8511^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123070 + ... + 123670.

Almost surely, 2^74145370 is an apocalyptic number.

74145370 is a deficient number, since it is larger than the sum of its proper divisors (72595742).

74145370 is a wasteful number, since it uses less digits than its factorization.

74145370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 74145370 is about 8610.7705810804. The cubic root of 74145370 is about 420.1083809490.

The spelling of 74145370 in words is "seventy-four million, one hundred forty-five thousand, three hundred seventy".