740749507 has 2 divisors, whose sum is σ = 740749508. Its totient is φ = 740749506.

The previous prime is 740749463. The next prime is 740749511. The reversal of 740749507 is 705947047.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740749507 is a prime.

It is not a weakly prime, because it can be changed into another prime (740749567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370374753 + 370374754.

It is an arithmetic number, because the mean of its divisors is an integer number (370374754).

Almost surely, 2^740749507 is an apocalyptic number.

740749507 is a deficient number, since it is larger than the sum of its proper divisors (1).

740749507 is an equidigital number, since it uses as much as digits as its factorization.

740749507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 740749507 is about 27216.7137435804. The cubic root of 740749507 is about 904.8094414775.

The spelling of 740749507 in words is "seven hundred forty million, seven hundred forty-nine thousand, five hundred seven".