71507300015 has 32 divisors (see below), whose sum is σ = 87889046976. Its totient is φ = 55837900800.

The previous prime is 71507299987. The next prime is 71507300057. The reversal of 71507300015 is 51000370517.

It is not a de Polignac number, because 71507300015 - 2¹⁶ = 71507234479 is a prime.

It is a super-2 number, since 2×71507300015² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 17649740 + ... + 17653790.

It is an arithmetic number, because the mean of its divisors is an integer number (2746532718).

Almost surely, 2^71507300015 is an apocalyptic number.

71507300015 is a deficient number, since it is larger than the sum of its proper divisors (16381746961).

71507300015 is a wasteful number, since it uses less digits than its factorization.

71507300015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619.

The product of its (nonzero) digits is 3675, while the sum is 29.

The spelling of 71507300015 in words is "seventy-one billion, five hundred seven million, three hundred thousand, fifteen".