70684242 has 16 divisors (see below), whose sum is σ = 143765280. Its totient is φ = 23161952.

The previous prime is 70684241. The next prime is 70684261. The reversal of 70684242 is 24248607.

It is a super-2 number, since 2×70684242² = 9992524134229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70684241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99483 + ... + 100190.

It is an arithmetic number, because the mean of its divisors is an integer number (8985330).

Almost surely, 2^70684242 is an apocalyptic number.

70684242 is an abundant number, since it is smaller than the sum of its proper divisors (73081038).

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

70684242 is a wasteful number, since it uses less digits than its factorization.

70684242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199737.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 70684242 is about 8407.3921045708. The cubic root of 70684242 is about 413.4670146567.

It can be divided in two parts, 706 and 84242, that added together give a palindrome (84948).

The spelling of 70684242 in words is "seventy million, six hundred eighty-four thousand, two hundred forty-two".