740703631 has 4 divisors (see below), whose sum is σ = 742019832. Its totient is φ = 739387432.

The previous prime is 740703589. The next prime is 740703653. The reversal of 740703631 is 136307047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136307047 = 29 ⋅4700243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740703631 is a prime.

It is a super-2 number, since 2×740703631² = 1097283737953168322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740703593 and 740703602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740703031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657256 + ... + 658381.

It is an arithmetic number, because the mean of its divisors is an integer number (185504958).

Almost surely, 2^740703631 is an apocalyptic number.

740703631 is a deficient number, since it is larger than the sum of its proper divisors (1316201).

740703631 is a wasteful number, since it uses less digits than its factorization.

740703631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316200.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 740703631 is about 27215.8709395823. The cubic root of 740703631 is about 904.7907622459.

The spelling of 740703631 in words is "seven hundred forty million, seven hundred three thousand, six hundred thirty-one".