34157772 has 36 divisors (see below), whose sum is σ = 94193736. Its totient is φ = 10350720.

The previous prime is 34157759. The next prime is 34157779. The reversal of 34157772 is 27775143.

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 (34157779) 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, 42733 + ... + 43524.

Almost surely, 2^34157772 is an apocalyptic number.

It is an amenable number.

34157772 is an abundant number, since it is smaller than the sum of its proper divisors (60035964).

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

34157772 is a wasteful number, since it uses less digits than its factorization.

34157772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86278 (or 86273 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 34157772 is about 5844.4650738968. The cubic root of 34157772 is about 324.4615051008.

The spelling of 34157772 in words is "thirty-four million, one hundred fifty-seven thousand, seven hundred seventy-two".