74031012 has 36 divisors (see below), whose sum is σ = 204147216. Its totient is φ = 22433520.

The previous prime is 74030989. The next prime is 74031019. The reversal of 74031012 is 21013047.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (74031019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93078 + ... + 93869.

It is an arithmetic number, because the mean of its divisors is an integer number (5670756).

Almost surely, 2^74031012 is an apocalyptic number.

It is an amenable number.

74031012 is an abundant number, since it is smaller than the sum of its proper divisors (130116204).

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

74031012 is a wasteful number, since it uses less digits than its factorization.

74031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186968 (or 186963 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 74031012 is about 8604.1276141164. The cubic root of 74031012 is about 419.8922853026.

Adding to 74031012 its reverse (21013047), we get a palindrome (95044059).

The spelling of 74031012 in words is "seventy-four million, thirty-one thousand, twelve".