740673440 has 48 divisors (see below), whose sum is σ = 1884449448. Its totient is φ = 273478656.

The previous prime is 740673431. The next prime is 740673449. The reversal of 740673440 is 44376047.

It is an interprime number because it is at equal distance from previous prime (740673431) and next prime (740673449).

It can be written as a sum of positive squares in 4 ways, for example, as 367565584 + 373107856 = 19172^2 + 19316^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 740673440.

It is not an unprimeable number, because it can be changed into a prime (740673449) 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, 175967 + ... + 180126.

Almost surely, 2^740673440 is an apocalyptic number.

It is an amenable number.

740673440 is an abundant number, since it is smaller than the sum of its proper divisors (1143776008).

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

740673440 is a wasteful number, since it uses less digits than its factorization.

740673440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356121 (or 356113 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 740673440 is about 27215.3162759502. The cubic root of 740673440 is about 904.7784690209.

The spelling of 740673440 in words is "seven hundred forty million, six hundred seventy-three thousand, four hundred forty".