740275 has 6 divisors (see below), whose sum is σ = 917972. Its totient is φ = 592200.

The previous prime is 740237. The next prime is 740279. The reversal of 740275 is 572047.

It is a de Polignac number, because none of the positive numbers 2^k-740275 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 29611 = 740275 / (7 + 4 + 0 + 2 + 7 + 5).

It is a Duffinian number.

740275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (740279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14781 + ... + 14830.

2⁷⁴⁰²⁷⁵ is an apocalyptic number.

740275 is a deficient number, since it is larger than the sum of its proper divisors (177697).

740275 is a wasteful number, since it uses less digits than its factorization.

740275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29621 (or 29616 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 740275 is about 860.3923523602. The cubic root of 740275 is about 90.4616200210.

The spelling of 740275 in words is "seven hundred forty thousand, two hundred seventy-five".