69042402 has 64 divisors (see below), whose sum is σ = 180270720. Its totient is φ = 19310400.

The previous prime is 69042367. The next prime is 69042427. The reversal of 69042402 is 20424096.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3252 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (2816730).

Almost surely, 2^69042402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69042402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90135360).

69042402 is an abundant number, since it is smaller than the sum of its proper divisors (111228318).

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

69042402 is a wasteful number, since it uses less digits than its factorization.

69042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976 (or 8970 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 69042402 is about 8309.1757713987. The cubic root of 69042402 is about 410.2405924804.

Adding to 69042402 its reverse (20424096), we get a palindrome (89466498).

The spelling of 69042402 in words is "sixty-nine million, forty-two thousand, four hundred two".