76745280 has 56 divisors (see below), whose sum is σ = 243669312. Its totient is φ = 20465152.

The previous prime is 76745269. The next prime is 76745287. The reversal of 76745280 is 8254767.

It is not an unprimeable number, because it can be changed into a prime (76745287) 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, 39012 + ... + 40931.

Almost surely, 2^76745280 is an apocalyptic number.

It is an amenable number.

76745280 is an abundant number, since it is smaller than the sum of its proper divisors (166924032).

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

76745280 is a wasteful number, since it uses less digits than its factorization.

76745280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79963 (or 79953 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 76745280 is about 8760.4383451971. The cubic root of 76745280 is about 424.9624511232.

The spelling of 76745280 in words is "seventy-six million, seven hundred forty-five thousand, two hundred eighty".