70055442 has 28 divisors (see below), whose sum is σ = 157555950. Its totient is φ = 23351328.

The previous prime is 70055423. The next prime is 70055449. The reversal of 70055442 is 24455007.

70055442 is a `hidden beast` number, since 70 + 0 + 554 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68707521 + 1347921 = 8289^2 + 1161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (70055449) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 22567 + ... + 25482.

Almost surely, 2^70055442 is an apocalyptic number.

70055442 is an abundant number, since it is smaller than the sum of its proper divisors (87500508).

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

70055442 is an equidigital number, since it uses as much as digits as its factorization.

70055442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48069 (or 48054 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 70055442 is about 8369.9129027726. The cubic root of 70055442 is about 412.2373071247.

The spelling of 70055442 in words is "seventy million, fifty-five thousand, four hundred forty-two".