74748653604 has 189 divisors, whose sum is σ = 201824650209. Its totient is φ = 24212481120.

The previous prime is 74748653593. The next prime is 74748653633. The reversal of 74748653604 is 40635684747.

The square root of 74748653604 is 273402.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2430687204 + 72317966400 = 49302^2 + 268920^2 .

It is a super-2 number, since 2×74748653604² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 900586147 + ... + 900586229.

Almost surely, 2^74748653604 is an apocalyptic number.

74748653604 is the 273402-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74748653604

74748653604 is an abundant number, since it is smaller than the sum of its proper divisors (127075996605).

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

74748653604 is an frugal number, since it uses more digits than its factorization.

74748653604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 74748653604 in words is "seventy-four billion, seven hundred forty-eight million, six hundred fifty-three thousand, six hundred four".