70903242 has 32 divisors (see below), whose sum is σ = 157877760. Its totient is φ = 23587200.

The previous prime is 70903201. The next prime is 70903249. The reversal of 70903242 is 24230907.

It is a super-2 number, since 2×70903242² = 10054539452221128, which contains 22 as substring.

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 (70903249) 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, 35367 + ... + 37317.

It is an arithmetic number, because the mean of its divisors is an integer number (4933680).

Almost surely, 2^70903242 is an apocalyptic number.

70903242 is an abundant number, since it is smaller than the sum of its proper divisors (86974518).

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

70903242 is a wasteful number, since it uses less digits than its factorization.

70903242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70903242 is about 8420.4062847347. The cubic root of 70903242 is about 413.8935874374.

The spelling of 70903242 in words is "seventy million, nine hundred three thousand, two hundred forty-two".