70893420 has 96 divisors (see below), whose sum is σ = 216205248. Its totient is φ = 17252352.

The previous prime is 70893419. The next prime is 70893461. The reversal of 70893420 is 2439807.

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, 75192 + ... + 76128.

It is an arithmetic number, because the mean of its divisors is an integer number (2252138).

Almost surely, 2^70893420 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 70893420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108102624).

70893420 is an abundant number, since it is smaller than the sum of its proper divisors (145311828).

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

70893420 is a wasteful number, since it uses less digits than its factorization.

70893420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 70893420 is about 8419.8230385205. The cubic root of 70893420 is about 413.8744747686.

The spelling of 70893420 in words is "seventy million, eight hundred ninety-three thousand, four hundred twenty".