72762040272057 has 4 divisors (see below), whose sum is σ = 97016053696080. Its totient is φ = 48508026848036.

The previous prime is 72762040272011. The next prime is 72762040272121. The reversal of 72762040272057 is 75027204026727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72762040272057 - 2¹⁹ = 72762039747769 is a prime.

It is a super-2 number, since 2×72762040272057² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72762040272007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12127006712007 + ... + 12127006712012.

It is an arithmetic number, because the mean of its divisors is an integer number (24254013424020).

Almost surely, 2^{72762040272057} is an apocalyptic number.

It is an amenable number.

72762040272057 is a deficient number, since it is larger than the sum of its proper divisors (24254013424023).

72762040272057 is a wasteful number, since it uses less digits than its factorization.

72762040272057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24254013424022.

The product of its (nonzero) digits is 4609920, while the sum is 51.

The spelling of 72762040272057 in words is "seventy-two trillion, seven hundred sixty-two billion, forty million, two hundred seventy-two thousand, fifty-seven".