72772098 has 16 divisors (see below), whose sum is σ = 166336320. Its totient is φ = 20792016.

The previous prime is 72772079. The next prime is 72772099. The reversal of 72772098 is 89027727.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1732669 = 72772098 / (7 + 2 + 7 + 7 + 2 + 0 + 9 + 8).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72772099) 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, 866293 + ... + 866376.

It is an arithmetic number, because the mean of its divisors is an integer number (10396020).

Almost surely, 2^72772098 is an apocalyptic number.

72772098 is an abundant number, since it is smaller than the sum of its proper divisors (93564222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72772098 is a wasteful number, since it uses less digits than its factorization.

72772098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732681.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 72772098 is about 8530.6563639617. The cubic root of 72772098 is about 417.4985439848.

The spelling of 72772098 in words is "seventy-two million, seven hundred seventy-two thousand, ninety-eight".