72770580429 has 4 divisors (see below), whose sum is σ = 97027440576. Its totient is φ = 48513720284.

The previous prime is 72770580427. The next prime is 72770580503. The reversal of 72770580429 is 92408507727.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92408507727 = 3 ⋅30802835909.

It is a cyclic number.

It is not a de Polignac number, because 72770580429 - 2¹ = 72770580427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72770580427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12128430069 + ... + 12128430074.

It is an arithmetic number, because the mean of its divisors is an integer number (24256860144).

Almost surely, 2^72770580429 is an apocalyptic number.

It is an amenable number.

72770580429 is a deficient number, since it is larger than the sum of its proper divisors (24256860147).

72770580429 is a wasteful number, since it uses less digits than its factorization.

72770580429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24256860146.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 72770580429 in words is "seventy-two billion, seven hundred seventy million, five hundred eighty thousand, four hundred twenty-nine".