72416372771553 has 8 divisors (see below), whose sum is σ = 96555247211808. Its totient is φ = 48277540089504.

The previous prime is 72416372771537. The next prime is 72416372771563. The reversal of 72416372771553 is 35517727361427.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72416372771553 - 2⁴ = 72416372771537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72416372771563) 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, 6140175 + ... + 13510532.

It is an arithmetic number, because the mean of its divisors is an integer number (12069405901476).

Almost surely, 2^{72416372771553} is an apocalyptic number.

It is an amenable number.

72416372771553 is a deficient number, since it is larger than the sum of its proper divisors (24138874440255).

72416372771553 is a wasteful number, since it uses less digits than its factorization.

72416372771553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20879103.

The product of its digits is 51861600, while the sum is 60.

The spelling of 72416372771553 in words is "seventy-two trillion, four hundred sixteen billion, three hundred seventy-two million, seven hundred seventy-one thousand, five hundred fifty-three".