73479680 has 40 divisors (see below), whose sum is σ = 176185152. Its totient is φ = 29390848.

The previous prime is 73479671. The next prime is 73479689. The reversal of 73479680 is 8697437.

It is an interprime number because it is at equal distance from previous prime (73479671) and next prime (73479689).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73479689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11792 + ... + 16911.

Almost surely, 2^73479680 is an apocalyptic number.

It is an amenable number.

73479680 is an abundant number, since it is smaller than the sum of its proper divisors (102705472).

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

73479680 is an equidigital number, since it uses as much as digits as its factorization.

73479680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28726 (or 28710 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 73479680 is about 8572.0289313557. The cubic root of 73479680 is about 418.8473307578.

The spelling of 73479680 in words is "seventy-three million, four hundred seventy-nine thousand, six hundred eighty".