712082397 has 16 divisors (see below), whose sum is σ = 1022963648. Its totient is φ = 437996160.

The previous prime is 712082389. The next prime is 712082411. The reversal of 712082397 is 793280217.

It is not a de Polignac number, because 712082397 - 2³ = 712082389 is a prime.

It is a super-2 number, since 2×712082397² = 1014122680234531218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712082597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136713 + ... + 141825.

It is an arithmetic number, because the mean of its divisors is an integer number (63935228).

Almost surely, 2^712082397 is an apocalyptic number.

It is an amenable number.

712082397 is a deficient number, since it is larger than the sum of its proper divisors (310881251).

712082397 is a wasteful number, since it uses less digits than its factorization.

712082397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 712082397 is about 26684.8720626500. The cubic root of 712082397 is about 892.9834636311.

The spelling of 712082397 in words is "seven hundred twelve million, eighty-two thousand, three hundred ninety-seven".