76470739940 has 192 divisors, whose sum is σ = 207095906304. Its totient is φ = 23100413952.

The previous prime is 76470739937. The next prime is 76470739951. The reversal of 76470739940 is 4993707467.

It is a happy number.

It is a super-2 number, since 2×76470739940² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2557919 + ... + 2587641.

It is an arithmetic number, because the mean of its divisors is an integer number (1078624512).

Almost surely, 2^76470739940 is an apocalyptic number.

76470739940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76470739940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103547953152).

76470739940 is an abundant number, since it is smaller than the sum of its proper divisors (130625166364).

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

76470739940 is a wasteful number, since it uses less digits than its factorization.

76470739940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29826 (or 29824 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 56.

The spelling of 76470739940 in words is "seventy-six billion, four hundred seventy million, seven hundred thirty-nine thousand, nine hundred forty".