102720674 has 16 divisors (see below), whose sum is σ = 176726016. Its totient is φ = 43864800.

The previous prime is 102720671. The next prime is 102720677. The reversal of 102720674 is 476027201.

It is an interprime number because it is at equal distance from previous prime (102720671) and next prime (102720677).

It is not an unprimeable number, because it can be changed into a prime (102720671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9122 + ... + 16989.

It is an arithmetic number, because the mean of its divisors is an integer number (11045376).

Almost surely, 2^102720674 is an apocalyptic number.

102720674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102720674 is a deficient number, since it is larger than the sum of its proper divisors (74005342).

102720674 is a wasteful number, since it uses less digits than its factorization.

102720674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 102720674 is about 10135.1208182241. The cubic root of 102720674 is about 468.3306919582.

Adding to 102720674 its reverse (476027201), we get a palindrome (578747875).

The spelling of 102720674 in words is "one hundred two million, seven hundred twenty thousand, six hundred seventy-four".