740257560 has 192 divisors, whose sum is σ = 2767564800. Its totient is φ = 168092928.

The previous prime is 740257559. The next prime is 740257577. The reversal of 740257560 is 65752047.

740257560 is a `hidden beast` number, since 7 + 40 + 2 + 57 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419961 + ... + 421719.

It is an arithmetic number, because the mean of its divisors is an integer number (14414400).

Almost surely, 2^740257560 is an apocalyptic number.

740257560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740257560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383782400).

740257560 is an abundant number, since it is smaller than the sum of its proper divisors (2027307240).

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

740257560 is a wasteful number, since it uses less digits than its factorization.

740257560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 740257560 is about 27207.6746525682. The cubic root of 740257560 is about 904.6090962596.

The spelling of 740257560 in words is "seven hundred forty million, two hundred fifty-seven thousand, five hundred sixty".