72412045440477 has 4 divisors (see below), whose sum is σ = 96549393920640. Its totient is φ = 48274696960316.

The previous prime is 72412045440451. The next prime is 72412045440547. The reversal of 72412045440477 is 77404454021427.

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 72412045440477 - 2³⁸ = 72137167533533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72412045430477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12068674240077 + ... + 12068674240082.

It is an arithmetic number, because the mean of its divisors is an integer number (24137348480160).

Almost surely, 2^{72412045440477} is an apocalyptic number.

It is an amenable number.

72412045440477 is a deficient number, since it is larger than the sum of its proper divisors (24137348480163).

72412045440477 is a wasteful number, since it uses less digits than its factorization.

72412045440477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24137348480162.

The product of its (nonzero) digits is 7024640, while the sum is 51.

The spelling of 72412045440477 in words is "seventy-two trillion, four hundred twelve billion, forty-five million, four hundred forty thousand, four hundred seventy-seven".