42773520 has 40 divisors (see below), whose sum is σ = 132598656. Its totient is φ = 11406208.

The previous prime is 42773501. The next prime is 42773567. The reversal of 42773520 is 2537724.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88872 + ... + 89351.

Almost surely, 2^42773520 is an apocalyptic number.

42773520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42773520 is an abundant number, since it is smaller than the sum of its proper divisors (89825136).

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

42773520 is a wasteful number, since it uses less digits than its factorization.

42773520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178239 (or 178233 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 42773520 is about 6540.1467873435. The cubic root of 42773520 is about 349.7236457983.

The spelling of 42773520 in words is "forty-two million, seven hundred seventy-three thousand, five hundred twenty".