106072557 has 8 divisors (see below), whose sum is σ = 144098784. Its totient is φ = 69380688.

The previous prime is 106072553. The next prime is 106072579. The reversal of 106072557 is 755270601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106072557 - 2² = 106072553 is a prime.

It is a super-2 number, since 2×106072557² = 22502774697036498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106072553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333403 + ... + 333720.

It is an arithmetic number, because the mean of its divisors is an integer number (18012348).

Almost surely, 2^106072557 is an apocalyptic number.

It is an amenable number.

106072557 is a deficient number, since it is larger than the sum of its proper divisors (38026227).

106072557 is an equidigital number, since it uses as much as digits as its factorization.

106072557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667179.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 106072557 is about 10299.1532176194. The cubic root of 106072557 is about 473.3703071803.

The spelling of 106072557 in words is "one hundred six million, seventy-two thousand, five hundred fifty-seven".