748531 has 8 divisors (see below), whose sum is σ = 869984. Its totient is φ = 630720.

The previous prime is 748523. The next prime is 748541. The reversal of 748531 is 135847.

748531 = 324² + 325² + ... + 330².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 748531 - 2³ = 748523 is a prime.

It is a super-2 number, since 2×748531² = 1120597315922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748531.

It is not an unprimeable number, because it can be changed into a prime (748541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (108748).

2⁷⁴⁸⁵³¹ is an apocalyptic number.

748531 is a deficient number, since it is larger than the sum of its proper divisors (121453).

748531 is a wasteful number, since it uses less digits than its factorization.

748531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its digits is 3360, while the sum is 28.

The square root of 748531 is about 865.1768605320. The cubic root of 748531 is about 90.7966719785.

The spelling of 748531 in words is "seven hundred forty-eight thousand, five hundred thirty-one".