99751394 has 4 divisors (see below), whose sum is σ = 149627094. Its totient is φ = 49875696.

The previous prime is 99751373. The next prime is 99751417. The reversal of 99751394 is 49315799.

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

It can be written as a sum of positive squares in only one way, i.e., 65820769 + 33930625 = 8113^2 + 5825^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24937847 + ... + 24937850.

Almost surely, 2^99751394 is an apocalyptic number.

99751394 is a deficient number, since it is larger than the sum of its proper divisors (49875700).

99751394 is a wasteful number, since it uses less digits than its factorization.

99751394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49875699.

The product of its digits is 306180, while the sum is 47.

The square root of 99751394 is about 9987.5619647640. The cubic root of 99751394 is about 463.7739218945.

The spelling of 99751394 in words is "ninety-nine million, seven hundred fifty-one thousand, three hundred ninety-four".