70432250 has 64 divisors (see below), whose sum is σ = 152216064. Its totient is φ = 23904000.

The previous prime is 70432231. The next prime is 70432277. The reversal of 70432250 is 5223407.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292130 + ... + 292370.

It is an arithmetic number, because the mean of its divisors is an integer number (2378376).

Almost surely, 2^70432250 is an apocalyptic number.

70432250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70432250 is an abundant number, since it is smaller than the sum of its proper divisors (81783814).

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

70432250 is a wasteful number, since it uses less digits than its factorization.

70432250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 70432250 is about 8392.3923883479. The cubic root of 70432250 is about 412.9750877574.

Adding to 70432250 its reverse (5223407), we get a palindrome (75655657).

The spelling of 70432250 in words is "seventy million, four hundred thirty-two thousand, two hundred fifty".