70673580 has 96 divisors (see below), whose sum is σ = 227505600. Its totient is φ = 18192384.

The previous prime is 70673579. The next prime is 70673591. The reversal of 70673580 is 8537607.

70673580 is a `hidden beast` number, since 7 + 0 + 6 + 73 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13404 + ... + 17916.

It is an arithmetic number, because the mean of its divisors is an integer number (2369850).

Almost surely, 2^70673580 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 70673580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113752800).

70673580 is an abundant number, since it is smaller than the sum of its proper divisors (156832020).

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

70673580 is a wasteful number, since it uses less digits than its factorization.

70673580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70673580 is about 8406.7579958031. The cubic root of 70673580 is about 413.4462245114.

It can be divided in two parts, 70673 and 580, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 70673580 in words is "seventy million, six hundred seventy-three thousand, five hundred eighty".