740673761 has 8 divisors (see below), whose sum is σ = 776348160. Its totient is φ = 705288672.

The previous prime is 740673757. The next prime is 740673763. The reversal of 740673761 is 167376047.

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 740673761 - 2² = 740673757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (740673763) 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, 67076 + ... + 77333.

It is an arithmetic number, because the mean of its divisors is an integer number (97043520).

Almost surely, 2^740673761 is an apocalyptic number.

It is an amenable number.

740673761 is a deficient number, since it is larger than the sum of its proper divisors (35674399).

740673761 is a wasteful number, since it uses less digits than its factorization.

740673761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144655.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 740673761 is about 27215.3221733640. The cubic root of 740673761 is about 904.7785997280.

The spelling of 740673761 in words is "seven hundred forty million, six hundred seventy-three thousand, seven hundred sixty-one".