740672740 has 12 divisors (see below), whose sum is σ = 1555412796. Its totient is φ = 296269088.

The previous prime is 740672717. The next prime is 740672743. The reversal of 740672740 is 47276047.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 296390656 + 444282084 = 17216^2 + 21078^2 .

It is a super-2 number, since 2×740672740² = 1097192215558215200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 740672740.

It is not an unprimeable number, because it can be changed into a prime (740672743) 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 3 ways as a sum of consecutive naturals, for example, 18516799 + ... + 18516838.

It is an arithmetic number, because the mean of its divisors is an integer number (129617733).

Almost surely, 2^740672740 is an apocalyptic number.

It is an amenable number.

740672740 is an abundant number, since it is smaller than the sum of its proper divisors (814740056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740672740 is a wasteful number, since it uses less digits than its factorization.

740672740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37033646 (or 37033644 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 740672740 is about 27215.3034155418. The cubic root of 740672740 is about 904.7781839897.

The spelling of 740672740 in words is "seven hundred forty million, six hundred seventy-two thousand, seven hundred forty".