3550072 has 8 divisors (see below), whose sum is σ = 6656400. Its totient is φ = 1775032.

The previous prime is 3550069. The next prime is 3550091. The reversal of 3550072 is 2700553.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3550072² = 25206022410368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221872 + ... + 221887.

It is an arithmetic number, because the mean of its divisors is an integer number (832050).

Almost surely, 2^3550072 is an apocalyptic number.

It is an amenable number.

3550072 is a deficient number, since it is larger than the sum of its proper divisors (3106328).

3550072 is a wasteful number, since it uses less digits than its factorization.

3550072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443765 (or 443761 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 3550072 is about 1884.1634748609. The cubic root of 3550072 is about 152.5500615004.

The spelling of 3550072 in words is "three million, five hundred fifty thousand, seventy-two".