74013012 has 18 divisors (see below), whose sum is σ = 187088538. Its totient is φ = 24670992.

The previous prime is 74013001. The next prime is 74013013. The reversal of 74013012 is 21031047.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 26071236 = 6924^2 + 5106^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74013013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027923 + ... + 1027994.

Almost surely, 2^74013012 is an apocalyptic number.

It is an amenable number.

74013012 is an abundant number, since it is smaller than the sum of its proper divisors (113075526).

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

74013012 is a wasteful number, since it uses less digits than its factorization.

74013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055927 (or 2055922 counting only the distinct ones).

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

The square root of 74013012 is about 8603.0815409364. The cubic root of 74013012 is about 419.8582514855.

Adding to 74013012 its reverse (21031047), we get a palindrome (95044059).

The spelling of 74013012 in words is "seventy-four million, thirteen thousand, twelve".