740010731 has 4 divisors (see below), whose sum is σ = 783540792. Its totient is φ = 696480672.

The previous prime is 740010643. The next prime is 740010773. The reversal of 740010731 is 137010047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740010731 - 2¹⁴ = 739994347 is a prime.

It is a super-2 number, since 2×740010731² = 1095231763990308722, 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 = 740010697 and 740010706.

It is not an unprimeable number, because it can be changed into a prime (740010781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21765005 + ... + 21765038.

It is an arithmetic number, because the mean of its divisors is an integer number (195885198).

Almost surely, 2^740010731 is an apocalyptic number.

740010731 is a deficient number, since it is larger than the sum of its proper divisors (43530061).

740010731 is a wasteful number, since it uses less digits than its factorization.

740010731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43530060.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 740010731 is about 27203.1382564586. The cubic root of 740010731 is about 904.5085418075.

Adding to 740010731 its reverse (137010047), we get a palindrome (877020778).

The spelling of 740010731 in words is "seven hundred forty million, ten thousand, seven hundred thirty-one".