71155402 has 16 divisors (see below), whose sum is σ = 109805472. Its totient is φ = 34567920.

The previous prime is 71155391. The next prime is 71155453. The reversal of 71155402 is 20455117.

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, 6613 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (6862842).

Almost surely, 2^71155402 is an apocalyptic number.

71155402 is a deficient number, since it is larger than the sum of its proper divisors (38650070).

71155402 is a wasteful number, since it uses less digits than its factorization.

71155402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 71155402 is about 8435.3661449874. The cubic root of 71155402 is about 414.3836634151.

The spelling of 71155402 in words is "seventy-one million, one hundred fifty-five thousand, four hundred two".