72508164514 has 16 divisors (see below), whose sum is σ = 112318924536. Its totient is φ = 35079350400.

The previous prime is 72508164511. The next prime is 72508164517. The reversal of 72508164514 is 41546180527.

It is an interprime number because it is at equal distance from previous prime (72508164511) and next prime (72508164517).

It can be written as a sum of positive squares in 4 ways, for example, as 33586793289 + 38921371225 = 183267^2 + 197285^2 .

It is not an unprimeable number, because it can be changed into a prime (72508164511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693347 + ... + 2720134.

Almost surely, 2^72508164514 is an apocalyptic number.

72508164514 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72508164514 is a deficient number, since it is larger than the sum of its proper divisors (39810760022).

72508164514 is a wasteful number, since it uses less digits than its factorization.

72508164514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413701.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 72508164514 in words is "seventy-two billion, five hundred eight million, one hundred sixty-four thousand, five hundred fourteen".