74013655 has 16 divisors (see below), whose sum is σ = 95878080. Its totient is φ = 54681088.

The previous prime is 74013617. The next prime is 74013659. The reversal of 74013655 is 55631047.

It is a cyclic number.

It is not a de Polignac number, because 74013655 - 2⁹ = 74013143 is a prime.

It is a super-2 number, since 2×74013655² = 10956042252918050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74013659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7762 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (5992380).

Almost surely, 2^74013655 is an apocalyptic number.

74013655 is a deficient number, since it is larger than the sum of its proper divisors (21864425).

74013655 is a wasteful number, since it uses less digits than its factorization.

74013655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22250.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 74013655 is about 8603.1189111856. The cubic root of 74013655 is about 419.8594673441.

The spelling of 74013655 in words is "seventy-four million, thirteen thousand, six hundred fifty-five".