74897760 has 96 divisors (see below), whose sum is σ = 269644032. Its totient is φ = 17118720.

The previous prime is 74897747. The next prime is 74897773. The reversal of 74897760 is 6779847.

It is an interprime number because it is at equal distance from previous prime (74897747) and next prime (74897773).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7786 + ... + 14505.

It is an arithmetic number, because the mean of its divisors is an integer number (2808792).

Almost surely, 2^74897760 is an apocalyptic number.

74897760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74897760 is an abundant number, since it is smaller than the sum of its proper divisors (194746272).

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

74897760 is a wasteful number, since it uses less digits than its factorization.

74897760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22316 (or 22308 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 74897760 is about 8654.3491956357. The cubic root of 74897760 is about 421.5246176076.

It can be divided in two parts, 74897 and 760, that added together give a palindrome (75657).

The spelling of 74897760 in words is "seventy-four million, eight hundred ninety-seven thousand, seven hundred sixty".