70572942 has 48 divisors (see below), whose sum is σ = 168508080. Its totient is φ = 21168000.

The previous prime is 70572937. The next prime is 70572961. The reversal of 70572942 is 24927507.

It is a junction number, because it is equal to n+sod(n) for n = 70572897 and 70572906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18234 + ... + 21762.

It is an arithmetic number, because the mean of its divisors is an integer number (3510585).

Almost surely, 2^70572942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70572942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84254040).

70572942 is an abundant number, since it is smaller than the sum of its proper divisors (97935138).

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

70572942 is a wasteful number, since it uses less digits than its factorization.

70572942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649 (or 3646 counting only the distinct ones).

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

The square root of 70572942 is about 8400.7703218217. The cubic root of 70572942 is about 413.2498844426.

It can be divided in two parts, 7057 and 2942, that added together give a palindrome (9999).

The spelling of 70572942 in words is "seventy million, five hundred seventy-two thousand, nine hundred forty-two".