740715 has 32 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 354816.

The previous prime is 740713. The next prime is 740717. The reversal of 740715 is 517047.

It is an interprime number because it is at equal distance from previous prime (740713) and next prime (740717).

It is not a de Polignac number, because 740715 - 2¹ = 740713 is a prime.

It is a super-2 number, since 2×740715² = 1097317422450, which contains 22 as substring.

740715 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (740711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6499 + ... + 6611.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁷⁴⁰⁷¹⁵ is an apocalyptic number.

740715 is a deficient number, since it is larger than the sum of its proper divisors (572565).

740715 is a wasteful number, since it uses less digits than its factorization.

740715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 740715 is about 860.6480116749. The cubic root of 740715 is about 90.4795391409.

The spelling of 740715 in words is "seven hundred forty thousand, seven hundred fifteen".