7427157402 has 64 divisors (see below), whose sum is σ = 17190226944. Its totient is φ = 2095441920.

The previous prime is 7427157391. The next prime is 7427157407. The reversal of 7427157402 is 2047517247.

It is not an unprimeable number, because it can be changed into a prime (7427157407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1485018 + ... + 1490010.

It is an arithmetic number, because the mean of its divisors is an integer number (268597296).

Almost surely, 2^7427157402 is an apocalyptic number.

7427157402 is an abundant number, since it is smaller than the sum of its proper divisors (9763069542).

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

7427157402 is a wasteful number, since it uses less digits than its factorization.

7427157402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443.

The product of its (nonzero) digits is 109760, while the sum is 39.

The square root of 7427157402 is about 86180.9573049638. The cubic root of 7427157402 is about 1951.0761013796.

The spelling of 7427157402 in words is "seven billion, four hundred twenty-seven million, one hundred fifty-seven thousand, four hundred two".