75377475072 has 200 divisors, whose sum is σ = 231067211496. Its totient is φ = 24446251008.

The previous prime is 75377475071. The next prime is 75377475101. The reversal of 75377475072 is 27057477357.

75377475072 is a `hidden beast` number, since 75 + 37 + 7 + 475 + 0 + 72 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75377475071) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1509903 + ... + 1559025.

Almost surely, 2^75377475072 is an apocalyptic number.

75377475072 is a gapful number since it is divisible by the number (72) 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 75377475072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115533605748).

75377475072 is an abundant number, since it is smaller than the sum of its proper divisors (155689736424).

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

75377475072 is an equidigital number, since it uses as much as digits as its factorization.

75377475072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49190 (or 49165 counting only the distinct ones).

The product of its (nonzero) digits is 10084200, while the sum is 54.

The spelling of 75377475072 in words is "seventy-five billion, three hundred seventy-seven million, four hundred seventy-five thousand, seventy-two".