69761040 has 40 divisors (see below), whose sum is σ = 216259968. Its totient is φ = 18602880.

The previous prime is 69761033. The next prime is 69761057. The reversal of 69761040 is 4016796.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 69760992 and 69761010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145096 + ... + 145575.

Almost surely, 2^69761040 is an apocalyptic number.

69761040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69761040 is an abundant number, since it is smaller than the sum of its proper divisors (146498928).

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

69761040 is a wasteful number, since it uses less digits than its factorization.

69761040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290687 (or 290681 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 69761040 is about 8352.3074656049. The cubic root of 69761040 is about 411.6590323145.

The spelling of 69761040 in words is "sixty-nine million, seven hundred sixty-one thousand, forty".