740520144 has 540 divisors, whose sum is σ = 2824881696. Its totient is φ = 186810624.

The previous prime is 740520101. The next prime is 740520161. The reversal of 740520144 is 441025047.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 32196517 + ... + 32196539.

Almost surely, 2^740520144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740520144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412440848).

740520144 is an abundant number, since it is smaller than the sum of its proper divisors (2084361552).

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

740520144 is a wasteful number, since it uses less digits than its factorization.

740520144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 740520144 is about 27212.4997749196. The cubic root of 740520144 is about 904.7160445288.

The spelling of 740520144 in words is "seven hundred forty million, five hundred twenty thousand, one hundred forty-four".