99672038 has 4 divisors (see below), whose sum is σ = 149508060. Its totient is φ = 49836018.

The previous prime is 99672017. The next prime is 99672061. The reversal of 99672038 is 83027699.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99672038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24918008 + ... + 24918011.

It is an arithmetic number, because the mean of its divisors is an integer number (37377015).

Almost surely, 2^99672038 is an apocalyptic number.

99672038 is a deficient number, since it is larger than the sum of its proper divisors (49836022).

99672038 is a wasteful number, since it uses less digits than its factorization.

99672038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49836021.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 99672038 is about 9983.5884330235. The cubic root of 99672038 is about 463.6509060460.

The spelling of 99672038 in words is "ninety-nine million, six hundred seventy-two thousand, thirty-eight".