102697072 has 20 divisors (see below), whose sum is σ = 203604280. Its totient is φ = 50154048.

The previous prime is 102697061. The next prime is 102697073. The reversal of 102697072 is 270796201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102697073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73947 + ... + 75322.

It is an arithmetic number, because the mean of its divisors is an integer number (10180214).

Almost surely, 2^102697072 is an apocalyptic number.

It is an amenable number.

102697072 is a deficient number, since it is larger than the sum of its proper divisors (100907208).

102697072 is a wasteful number, since it uses less digits than its factorization.

102697072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149320 (or 149314 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 102697072 is about 10133.9563843545. The cubic root of 102697072 is about 468.2948199594.

The spelling of 102697072 in words is "one hundred two million, six hundred ninety-seven thousand, seventy-two".