740670 has 32 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 169248.

The previous prime is 740659. The next prime is 740671. The reversal of 740670 is 76047.

It is a self number, because there is not a number n which added to its sum of digits gives 740670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740671) by changing a digit.

740670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2⁷⁴⁰⁶⁷⁰ is an apocalyptic number.

740670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

740670 is an abundant number, since it is smaller than the sum of its proper divisors (1291458).

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

740670 is a wasteful number, since it uses less digits than its factorization.

740670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 740670 is about 860.6218681860. The cubic root of 740670 is about 90.4777068294.

The spelling of 740670 in words is "seven hundred forty thousand, six hundred seventy".