7390640292 has 96 divisors (see below), whose sum is σ = 20765230080. Its totient is φ = 1998587520.

The previous prime is 7390640263. The next prime is 7390640293. The reversal of 7390640292 is 2920460937.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (7390640293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2889078 + ... + 2891634.

It is an arithmetic number, because the mean of its divisors is an integer number (216304480).

Almost surely, 2^7390640292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7390640292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10382615040).

7390640292 is an abundant number, since it is smaller than the sum of its proper divisors (13374589788).

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

7390640292 is a wasteful number, since it uses less digits than its factorization.

7390640292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401 (or 4399 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 7390640292 is about 85968.8332595017. The cubic root of 7390640292 is about 1947.8732273612.

The spelling of 7390640292 in words is "seven billion, three hundred ninety million, six hundred forty thousand, two hundred ninety-two".