94400731 has 4 divisors (see below), whose sum is σ = 94922464. Its totient is φ = 93879000.

The previous prime is 94400729. The next prime is 94400741. The reversal of 94400731 is 13700449.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 94400731 - 2¹ = 94400729 is a prime.

It is a super-2 number, since 2×94400731² = 17822996026668722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94400731.

It is not an unprimeable number, because it can be changed into a prime (94400701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260595 + ... + 260956.

It is an arithmetic number, because the mean of its divisors is an integer number (23730616).

Almost surely, 2^94400731 is an apocalyptic number.

94400731 is a deficient number, since it is larger than the sum of its proper divisors (521733).

94400731 is a wasteful number, since it uses less digits than its factorization.

94400731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521732.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 94400731 is about 9716.0038596122. The cubic root of 94400731 is about 455.3287982878.

The spelling of 94400731 in words is "ninety-four million, four hundred thousand, seven hundred thirty-one".