740190720 has 160 divisors (see below), whose sum is σ = 2443415040. Its totient is φ = 190955520.

The previous prime is 740190713. The next prime is 740190749. The reversal of 740190720 is 27091047.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236526 + ... + 239634.

It is an arithmetic number, because the mean of its divisors is an integer number (15271344).

Almost surely, 2^740190720 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 740190720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221707520).

740190720 is an abundant number, since it is smaller than the sum of its proper divisors (1703224320).

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

740190720 is a wasteful number, since it uses less digits than its factorization.

740190720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 740190720 is about 27206.4462949500. The cubic root of 740190720 is about 904.5818688480.

The spelling of 740190720 in words is "seven hundred forty million, one hundred ninety thousand, seven hundred twenty".