69361940 has 12 divisors (see below), whose sum is σ = 145660116. Its totient is φ = 27744768.

The previous prime is 69361937. The next prime is 69361991. The reversal of 69361940 is 4916396.

It can be written as a sum of positive squares in 2 ways, for example, as 12630916 + 56731024 = 3554^2 + 7532^2 .

It is a super-2 number, since 2×69361940² = 9622157441127200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69361894 and 69361903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734029 + ... + 1734068.

It is an arithmetic number, because the mean of its divisors is an integer number (12138343).

Almost surely, 2^69361940 is an apocalyptic number.

It is an amenable number.

69361940 is an abundant number, since it is smaller than the sum of its proper divisors (76298176).

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

69361940 is a wasteful number, since it uses less digits than its factorization.

69361940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468106 (or 3468104 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 69361940 is about 8328.3815954842. The cubic root of 69361940 is about 410.8725024496.

The spelling of 69361940 in words is "sixty-nine million, three hundred sixty-one thousand, nine hundred forty".