72422377 has 8 divisors (see below), whose sum is σ = 76700736. Its totient is φ = 68238192.

The previous prime is 72422369. The next prime is 72422393. The reversal of 72422377 is 77322427.

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

It is a cyclic number.

It is not a de Polignac number, because 72422377 - 2³ = 72422369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72122377) 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, 21958 + ... + 25039.

It is an arithmetic number, because the mean of its divisors is an integer number (9587592).

Almost surely, 2^72422377 is an apocalyptic number.

It is an amenable number.

72422377 is a deficient number, since it is larger than the sum of its proper divisors (4278359).

72422377 is a wasteful number, since it uses less digits than its factorization.

72422377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47087.

The product of its digits is 32928, while the sum is 34.

The square root of 72422377 is about 8510.1337827322. The cubic root of 72422377 is about 416.8286786147.

The spelling of 72422377 in words is "seventy-two million, four hundred twenty-two thousand, three hundred seventy-seven".