100472775 has 24 divisors (see below), whose sum is σ = 178894800. Its totient is φ = 49463040.

The previous prime is 100472759. The next prime is 100472783. The reversal of 100472775 is 577274001.

It is a happy number.

It is not a de Polignac number, because 100472775 - 2⁴ = 100472759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50550 + ... + 52499.

It is an arithmetic number, because the mean of its divisors is an integer number (7453950).

Almost surely, 2^100472775 is an apocalyptic number.

100472775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100472775 is a deficient number, since it is larger than the sum of its proper divisors (78422025).

100472775 is a wasteful number, since it uses less digits than its factorization.

100472775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103075 (or 103070 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 100472775 is about 10023.6108763260. The cubic root of 100472775 is about 464.8892093550.

The spelling of 100472775 in words is "one hundred million, four hundred seventy-two thousand, seven hundred seventy-five".