72254373477 has 64 divisors (see below), whose sum is σ = 119431065600. Its totient is φ = 38229649920.

The previous prime is 72254373439. The next prime is 72254373557. The reversal of 72254373477 is 77437345227.

It is not a de Polignac number, because 72254373477 - 2¹¹ = 72254371429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72254373407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 837024 + ... + 919302.

It is an arithmetic number, because the mean of its divisors is an integer number (1866110400).

Almost surely, 2^72254373477 is an apocalyptic number.

It is an amenable number.

72254373477 is a deficient number, since it is larger than the sum of its proper divisors (47176692123).

72254373477 is a wasteful number, since it uses less digits than its factorization.

72254373477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82418.

The product of its digits is 6914880, while the sum is 51.

The spelling of 72254373477 in words is "seventy-two billion, two hundred fifty-four million, three hundred seventy-three thousand, four hundred seventy-seven".