7100721715 has 16 divisors (see below), whose sum is σ = 8673117120. Its totient is φ = 5579674240.

The previous prime is 7100721703. The next prime is 7100721737. The reversal of 7100721715 is 5171270017.

It is not a de Polignac number, because 7100721715 - 2¹¹ = 7100719667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58317 + ... + 132673.

It is an arithmetic number, because the mean of its divisors is an integer number (542069820).

Almost surely, 2^7100721715 is an apocalyptic number.

7100721715 is a deficient number, since it is larger than the sum of its proper divisors (1572395405).

7100721715 is a wasteful number, since it uses less digits than its factorization.

7100721715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74702.

The product of its (nonzero) digits is 3430, while the sum is 31.

The square root of 7100721715 is about 84265.7802135600. The cubic root of 7100721715 is about 1922.0624642448.

The spelling of 7100721715 in words is "seven billion, one hundred million, seven hundred twenty-one thousand, seven hundred fifteen".