749870 has 32 divisors (see below), whose sum is σ = 1562976. Its totient is φ = 256000.

The previous prime is 749863. The next prime is 749891. The reversal of 749870 is 78947.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 749870.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1670 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (48843).

2⁷⁴⁹⁸⁷⁰ is an apocalyptic number.

749870 is an abundant number, since it is smaller than the sum of its proper divisors (813106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749870 is a wasteful number, since it uses less digits than its factorization.

749870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 749870 is about 865.9503449968. The cubic root of 749870 is about 90.8507798788.

The spelling of 749870 in words is "seven hundred forty-nine thousand, eight hundred seventy".