740690690 has 32 divisors (see below), whose sum is σ = 1349187840. Its totient is φ = 292754304.

The previous prime is 740690651. The next prime is 740690729. The reversal of 740690690 is 96096047.

It is an interprime number because it is at equal distance from previous prime (740690651) and next prime (740690729).

It is a super-2 number, since 2×740690690² = 1097245396505352200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322727 + ... + 325013.

It is an arithmetic number, because the mean of its divisors is an integer number (42162120).

Almost surely, 2^740690690 is an apocalyptic number.

740690690 is a deficient number, since it is larger than the sum of its proper divisors (608497150).

740690690 is a wasteful number, since it uses less digits than its factorization.

740690690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 740690690 is about 27215.6331912377. The cubic root of 740690690 is about 904.7854929474.

The spelling of 740690690 in words is "seven hundred forty million, six hundred ninety thousand, six hundred ninety".