472385091 has 4 divisors (see below), whose sum is σ = 629846792. Its totient is φ = 314923392.

The previous prime is 472385077. The next prime is 472385107. The reversal of 472385091 is 190583274.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 472385091 - 2⁵ = 472385059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472385021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78730846 + ... + 78730851.

It is an arithmetic number, because the mean of its divisors is an integer number (157461698).

Almost surely, 2^472385091 is an apocalyptic number.

472385091 is a deficient number, since it is larger than the sum of its proper divisors (157461701).

472385091 is a wasteful number, since it uses less digits than its factorization.

472385091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157461700.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 472385091 is about 21734.4218004528. The cubic root of 472385091 is about 778.8109710788.

The spelling of 472385091 in words is "four hundred seventy-two million, three hundred eighty-five thousand, ninety-one".