712408 has 8 divisors (see below), whose sum is σ = 1335780. Its totient is φ = 356200.

The previous prime is 712357. The next prime is 712409. The reversal of 712408 is 804217.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44518 + ... + 44533.

2⁷¹²⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

712408 is a deficient number, since it is larger than the sum of its proper divisors (623372).

712408 is a wasteful number, since it uses less digits than its factorization.

712408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89057 (or 89053 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 712408 is about 844.0426529507. The cubic root of 712408 is about 89.3119549844.

Subtracting 712408 from its reverse (804217), we obtain a square (91809 = 303²).

The spelling of 712408 in words is "seven hundred twelve thousand, four hundred eight".