740400770 has 8 divisors (see below), whose sum is σ = 1332721404. Its totient is φ = 296160304.

The previous prime is 740400767. The next prime is 740400799. The reversal of 740400770 is 77004047.

It can be written as a sum of positive squares in 2 ways, for example, as 640140601 + 100260169 = 25301^2 + 10013^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37020029 + ... + 37020048.

Almost surely, 2^740400770 is an apocalyptic number.

740400770 is a deficient number, since it is larger than the sum of its proper divisors (592320634).

740400770 is a wasteful number, since it uses less digits than its factorization.

740400770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74040084.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 740400770 is about 27210.3063194812. The cubic root of 740400770 is about 904.6674276308.

The spelling of 740400770 in words is "seven hundred forty million, four hundred thousand, seven hundred seventy".