109730402 has 4 divisors (see below), whose sum is σ = 164595606. Its totient is φ = 54865200.

The previous prime is 109730381. The next prime is 109730407. The reversal of 109730402 is 204037901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204037901 = 1531 ⋅133271.

It can be written as a sum of positive squares in only one way, i.e., 79049881 + 30680521 = 8891^2 + 5539^2 .

It is a super-2 number, since 2×109730402² = 24081522246163208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109730407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27432599 + ... + 27432602.

Almost surely, 2^109730402 is an apocalyptic number.

109730402 is a deficient number, since it is larger than the sum of its proper divisors (54865204).

109730402 is an equidigital number, since it uses as much as digits as its factorization.

109730402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54865203.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 109730402 is about 10475.2280166114. The cubic root of 109730402 is about 478.7502238976.

The spelling of 109730402 in words is "one hundred nine million, seven hundred thirty thousand, four hundred two".