69356742 has 64 divisors (see below), whose sum is σ = 173698560. Its totient is φ = 17973504.

The previous prime is 69356737. The next prime is 69356767. The reversal of 69356742 is 24765396.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 69356694 and 69356703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31138 + ... + 33290.

It is an arithmetic number, because the mean of its divisors is an integer number (2714040).

Almost surely, 2^69356742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69356742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86849280).

69356742 is an abundant number, since it is smaller than the sum of its proper divisors (104341818).

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

69356742 is a wasteful number, since it uses less digits than its factorization.

69356742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its digits is 272160, while the sum is 42.

The square root of 69356742 is about 8328.0695242055. The cubic root of 69356742 is about 410.8622385661.

The spelling of 69356742 in words is "sixty-nine million, three hundred fifty-six thousand, seven hundred forty-two".