69197940 has 72 divisors (see below), whose sum is σ = 239890560. Its totient is φ = 15816384.

The previous prime is 69197927. The next prime is 69197969. The reversal of 69197940 is 4979196.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26200 + ... + 28719.

Almost surely, 2^69197940 is an apocalyptic number.

69197940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69197940 is an abundant number, since it is smaller than the sum of its proper divisors (170692620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69197940 is a wasteful number, since it uses less digits than its factorization.

69197940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54941 (or 54936 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 69197940 is about 8318.5299182007. The cubic root of 69197940 is about 410.5484233397.

The spelling of 69197940 in words is "sixty-nine million, one hundred ninety-seven thousand, nine hundred forty".