80772450 has 48 divisors (see below), whose sum is σ = 218530656. Its totient is φ = 19580800.

The previous prime is 80772431. The next prime is 80772451. The reversal of 80772450 is 5427708.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (80772451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22827 + ... + 26126.

It is an arithmetic number, because the mean of its divisors is an integer number (4552722).

Almost surely, 2^80772450 is an apocalyptic number.

80772450 is an abundant number, since it is smaller than the sum of its proper divisors (137758206).

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

80772450 is a wasteful number, since it uses less digits than its factorization.

80772450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48979 (or 48974 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 80772450 is about 8987.3494424107. The cubic root of 80772450 is about 432.2693257982.

The spelling of 80772450 in words is "eighty million, seven hundred seventy-two thousand, four hundred fifty".