472269993 has 12 divisors (see below), whose sum is σ = 681858000. Its totient is φ = 290627376.

The previous prime is 472269949. The next prime is 472270033. The reversal of 472269993 is 399962274.

It is not a de Polignac number, because 472269993 - 2⁶ = 472269929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472269943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465243 + ... + 466256.

It is an arithmetic number, because the mean of its divisors is an integer number (56821500).

Almost surely, 2^472269993 is an apocalyptic number.

It is an amenable number.

472269993 is a deficient number, since it is larger than the sum of its proper divisors (209588007).

472269993 is a wasteful number, since it uses less digits than its factorization.

472269993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931528 (or 931515 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 51.

The square root of 472269993 is about 21731.7738116335. The cubic root of 472269993 is about 778.7477127554.

The spelling of 472269993 in words is "four hundred seventy-two million, two hundred sixty-nine thousand, nine hundred ninety-three".