740651651 has 8 divisors (see below), whose sum is σ = 760585584. Its totient is φ = 720840960.

The previous prime is 740651647. The next prime is 740651657. The reversal of 740651651 is 156156047.

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

It is a cyclic number.

It is not a de Polignac number, because 740651651 - 2² = 740651647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740651657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18566 + ... + 42731.

It is an arithmetic number, because the mean of its divisors is an integer number (95073198).

Almost surely, 2^740651651 is an apocalyptic number.

740651651 is a deficient number, since it is larger than the sum of its proper divisors (19933933).

740651651 is a wasteful number, since it uses less digits than its factorization.

740651651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61621.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 740651651 is about 27214.9159653305. The cubic root of 740651651 is about 904.7695967297.

The spelling of 740651651 in words is "seven hundred forty million, six hundred fifty-one thousand, six hundred fifty-one".