739970 has 48 divisors (see below), whose sum is σ = 1715904. Its totient is φ = 223200.

The previous prime is 739969. The next prime is 740011. The reversal of 739970 is 79937.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 739970.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23855 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (35748).

2⁷³⁹⁹⁷⁰ is an apocalyptic number.

739970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

739970 is an abundant number, since it is smaller than the sum of its proper divisors (975934).

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

739970 is a wasteful number, since it uses less digits than its factorization.

739970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 739970 is about 860.2150893817. The cubic root of 739970 is about 90.4491946457.

The spelling of 739970 in words is "seven hundred thirty-nine thousand, nine hundred seventy".