74264121 has 10 divisors (see below), whose sum is σ = 110937882. Its totient is φ = 49509360.

The previous prime is 74264111. The next prime is 74264147. The reversal of 74264121 is 12146247.

It can be written as a sum of positive squares in only one way, i.e., 59907600 + 14356521 = 7740^2 + 3789^2 .

It is not a de Polignac number, because 74264121 - 2⁷ = 74263993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (74264111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 458340 + ... + 458501.

Almost surely, 2^74264121 is an apocalyptic number.

It is an amenable number.

74264121 is a deficient number, since it is larger than the sum of its proper divisors (36673761).

74264121 is an equidigital number, since it uses as much as digits as its factorization.

74264121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916853 (or 916844 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 74264121 is about 8617.6633143794. The cubic root of 74264121 is about 420.3325427561.

The spelling of 74264121 in words is "seventy-four million, two hundred sixty-four thousand, one hundred twenty-one".