69393420 has 36 divisors (see below), whose sum is σ = 210493920. Its totient is φ = 18504864.

The previous prime is 69393419. The next prime is 69393427. The reversal of 69393420 is 2439396.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (69393427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192580 + ... + 192939.

Almost surely, 2^69393420 is an apocalyptic number.

69393420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69393420 is an abundant number, since it is smaller than the sum of its proper divisors (141100500).

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

69393420 is a wasteful number, since it uses less digits than its factorization.

69393420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385534 (or 385529 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 69393420 is about 8330.2713041053. The cubic root of 69393420 is about 410.9346513751.

The spelling of 69393420 in words is "sixty-nine million, three hundred ninety-three thousand, four hundred twenty".