99703478 has 16 divisors (see below), whose sum is σ = 172012704. Its totient is φ = 42456960.

The previous prime is 99703477. The next prime is 99703517. The reversal of 99703478 is 87430799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99703477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20483 + ... + 24878.

It is an arithmetic number, because the mean of its divisors is an integer number (10750794).

Almost surely, 2^99703478 is an apocalyptic number.

99703478 is a deficient number, since it is larger than the sum of its proper divisors (72309226).

99703478 is a wasteful number, since it uses less digits than its factorization.

99703478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45527.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 99703478 is about 9985.1628930128. The cubic root of 99703478 is about 463.6996514191.

The spelling of 99703478 in words is "ninety-nine million, seven hundred three thousand, four hundred seventy-eight".