471772393 has 8 divisors (see below), whose sum is σ = 489951968. Its totient is φ = 453920544.

The previous prime is 471772381. The next prime is 471772409. The reversal of 471772393 is 393277174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471772393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471772303) 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, 78996 + ... + 84757.

It is an arithmetic number, because the mean of its divisors is an integer number (61243996).

Almost surely, 2^471772393 is an apocalyptic number.

471772393 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

471772393 is a deficient number, since it is larger than the sum of its proper divisors (18179575).

471772393 is a wasteful number, since it uses less digits than its factorization.

471772393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163863.

The product of its digits is 222264, while the sum is 43.

The square root of 471772393 is about 21720.3221200792. The cubic root of 471772393 is about 778.4741114656.

It can be divided in two parts, 471772 and 393, that multiplied together give a triangular number (185406396 = T₁₉₂₅₆).

The spelling of 471772393 in words is "four hundred seventy-one million, seven hundred seventy-two thousand, three hundred ninety-three".