85432730 has 16 divisors (see below), whose sum is σ = 155633184. Its totient is φ = 33761040.

The previous prime is 85432729. The next prime is 85432747. The reversal of 85432730 is 3723458.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50636 + ... + 52295.

It is an arithmetic number, because the mean of its divisors is an integer number (9727074).

Almost surely, 2^85432730 is an apocalyptic number.

85432730 is a deficient number, since it is larger than the sum of its proper divisors (70200454).

85432730 is a wasteful number, since it uses less digits than its factorization.

85432730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103021.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 85432730 is about 9242.9827436818. The cubic root of 85432730 is about 440.4278379853.

The spelling of 85432730 in words is "eighty-five million, four hundred thirty-two thousand, seven hundred thirty".