74013536 has 12 divisors (see below), whose sum is σ = 145714212. Its totient is φ = 37006752.

The previous prime is 74013509. The next prime is 74013547. The reversal of 74013536 is 63531047.

It is a super-2 number, since 2×74013536² = 10956007022446592, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 74013499 and 74013508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156430 + ... + 1156493.

It is an arithmetic number, because the mean of its divisors is an integer number (12142851).

Almost surely, 2^74013536 is an apocalyptic number.

It is an amenable number.

74013536 is a deficient number, since it is larger than the sum of its proper divisors (71700676).

74013536 is a wasteful number, since it uses less digits than its factorization.

74013536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312933 (or 2312925 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 74013536 is about 8603.1119950864. Note that the first 3 decimals coincide. The cubic root of 74013536 is about 419.8592423257.

The spelling of 74013536 in words is "seventy-four million, thirteen thousand, five hundred thirty-six".