74031457 has 8 divisors (see below), whose sum is σ = 77348160. Its totient is φ = 70722960.

The previous prime is 74031437. The next prime is 74031469. The reversal of 74031457 is 75413047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74031457 - 2⁷ = 74031329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74031437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23082 + ... + 26092.

It is an arithmetic number, because the mean of its divisors is an integer number (9668520).

Almost surely, 2^74031457 is an apocalyptic number.

It is an amenable number.

74031457 is a deficient number, since it is larger than the sum of its proper divisors (3316703).

74031457 is a wasteful number, since it uses less digits than its factorization.

74031457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

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

The square root of 74031457 is about 8604.1534737591. The cubic root of 74031457 is about 419.8931266243.

The spelling of 74031457 in words is "seventy-four million, thirty-one thousand, four hundred fifty-seven".