7390422520 has 32 divisors (see below), whose sum is σ = 17907563520. Its totient is φ = 2728771200.

The previous prime is 7390422511. The next prime is 7390422539. The reversal of 7390422520 is 252240937.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7105656 + ... + 7106695.

It is an arithmetic number, because the mean of its divisors is an integer number (559611360).

Almost surely, 2^7390422520 is an apocalyptic number.

It is an amenable number.

7390422520 is an abundant number, since it is smaller than the sum of its proper divisors (10517141000).

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

7390422520 is a wasteful number, since it uses less digits than its factorization.

7390422520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14212375 (or 14212371 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 7390422520 is about 85967.5666748804. The cubic root of 7390422520 is about 1947.8540952158.

The spelling of 7390422520 in words is "seven billion, three hundred ninety million, four hundred twenty-two thousand, five hundred twenty".