69132987 has 48 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 35901360.

The previous prime is 69132961. The next prime is 69132997. The reversal of 69132987 is 78923196.

It is not a de Polignac number, because 69132987 - 2⁷ = 69132859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69132907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21358 + ... + 24380.

It is an arithmetic number, because the mean of its divisors is an integer number (2681280).

Almost surely, 2^69132987 is an apocalyptic number.

69132987 is a deficient number, since it is larger than the sum of its proper divisors (59568453).

69132987 is a wasteful number, since it uses less digits than its factorization.

69132987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061 (or 3044 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 69132987 is about 8314.6248863073. The cubic root of 69132987 is about 410.4199286687.

The spelling of 69132987 in words is "sixty-nine million, one hundred thirty-two thousand, nine hundred eighty-seven".