70237725 has 24 divisors (see below), whose sum is σ = 116367552. Its totient is φ = 37382400.

The previous prime is 70237721. The next prime is 70237733. The reversal of 70237725 is 52773207.

It is not a de Polignac number, because 70237725 - 2² = 70237721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70237721) 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, 65544 + ... + 66606.

It is an arithmetic number, because the mean of its divisors is an integer number (4848648).

Almost surely, 2^70237725 is an apocalyptic number.

70237725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70237725 is a deficient number, since it is larger than the sum of its proper divisors (46129827).

70237725 is a wasteful number, since it uses less digits than its factorization.

70237725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 70237725 is about 8380.7950100214. The cubic root of 70237725 is about 412.5945421500.

The spelling of 70237725 in words is "seventy million, two hundred thirty-seven thousand, seven hundred twenty-five".