70838425 has 24 divisors (see below), whose sum is σ = 101618496. Its totient is φ = 47979840.

The previous prime is 70838401. The next prime is 70838429. The reversal of 70838425 is 52483807.

It is not a de Polignac number, because 70838425 - 2⁷ = 70838297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70838429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12087 + ... + 16963.

It is an arithmetic number, because the mean of its divisors is an integer number (4234104).

Almost surely, 2^70838425 is an apocalyptic number.

It is an amenable number.

70838425 is a deficient number, since it is larger than the sum of its proper divisors (30780071).

70838425 is a wasteful number, since it uses less digits than its factorization.

70838425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4972 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 70838425 is about 8416.5565999404. The cubic root of 70838425 is about 413.7674271524.

The spelling of 70838425 in words is "seventy million, eight hundred thirty-eight thousand, four hundred twenty-five".