670873406 has 24 divisors (see below), whose sum is σ = 1199164176. Its totient is φ = 280502880.

The previous prime is 670873373. The next prime is 670873439. The reversal of 670873406 is 604378076.

It is an interprime number because it is at equal distance from previous prime (670873373) and next prime (670873439).

It is a super-2 number, since 2×670873406² = 900142253756081672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79466 + ... + 87501.

It is an arithmetic number, because the mean of its divisors is an integer number (49965174).

Almost surely, 2^670873406 is an apocalyptic number.

670873406 is a deficient number, since it is larger than the sum of its proper divisors (528290770).

670873406 is a wasteful number, since it uses less digits than its factorization.

670873406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167024 (or 167017 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 670873406 is about 25901.2240251305. The cubic root of 670873406 is about 875.4140760160.

The spelling of 670873406 in words is "six hundred seventy million, eight hundred seventy-three thousand, four hundred six".