70860042 has 32 divisors (see below), whose sum is σ = 171783360. Its totient is φ = 21472560.

The previous prime is 70860037. The next prime is 70860043. The reversal of 70860042 is 24006807.

It is a super-2 number, since 2×70860042² = 10042291104483528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70859988 and 70860015.

It is not an unprimeable number, because it can be changed into a prime (70860043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59053 + ... + 60240.

It is an arithmetic number, because the mean of its divisors is an integer number (5368230).

Almost surely, 2^70860042 is an apocalyptic number.

70860042 is an abundant number, since it is smaller than the sum of its proper divisors (100923318).

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

70860042 is a wasteful number, since it uses less digits than its factorization.

70860042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119315 (or 119309 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70860042 is about 8417.8406969959. The cubic root of 70860042 is about 413.8095111899.

Adding to 70860042 its reverse (24006807), we get a palindrome (94866849).

The spelling of 70860042 in words is "seventy million, eight hundred sixty thousand, forty-two".