7274399436 has 36 divisors (see below), whose sum is σ = 18400122832. Its totient is φ = 2423209824.

The previous prime is 7274399423. The next prime is 7274399441. The reversal of 7274399436 is 6349934727.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9931 + ... + 121026.

Almost surely, 2^7274399436 is an apocalyptic number.

It is an amenable number.

7274399436 is an abundant number, since it is smaller than the sum of its proper divisors (11125723396).

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

7274399436 is a wasteful number, since it uses less digits than its factorization.

7274399436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132510 (or 132505 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The square root of 7274399436 is about 85290.0899049825. The cubic root of 7274399436 is about 1937.6070893344.

The spelling of 7274399436 in words is "seven billion, two hundred seventy-four million, three hundred ninety-nine thousand, four hundred thirty-six".