748620699280 has 40 divisors (see below), whose sum is σ = 1769076631224. Its totient is φ = 294539289600.

The previous prime is 748620699269. The next prime is 748620699289. The reversal of 748620699280 is 82996026847.

It can be written as a sum of positive squares in 4 ways, for example, as 90237756816 + 658382942464 = 300396^2 + 811408^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (748620699289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76698061 + ... + 76707820.

Almost surely, 2^748620699280 is an apocalyptic number.

It is an amenable number.

748620699280 is an abundant number, since it is smaller than the sum of its proper divisors (1020455931944).

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

748620699280 is a wasteful number, since it uses less digits than its factorization.

748620699280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153405955 (or 153405949 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 748620699280 in words is "seven hundred forty-eight billion, six hundred twenty million, six hundred ninety-nine thousand, two hundred eighty".