70992480 has 192 divisors, whose sum is σ = 249274368. Its totient is φ = 16865280.

The previous prime is 70992451. The next prime is 70992487. The reversal of 70992480 is 8429907.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70992487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193257 + ... + 193623.

It is an arithmetic number, because the mean of its divisors is an integer number (1298304).

Almost surely, 2^70992480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70992480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124637184).

70992480 is an abundant number, since it is smaller than the sum of its proper divisors (178281888).

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

70992480 is a wasteful number, since it uses less digits than its factorization.

70992480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 70992480 is about 8425.7035314566. The cubic root of 70992480 is about 414.0671552010.

The spelling of 70992480 in words is "seventy million, nine hundred ninety-two thousand, four hundred eighty".