4072402 has 4 divisors (see below), whose sum is σ = 6108606. Its totient is φ = 2036200.

The previous prime is 4072399. The next prime is 4072417. The reversal of 4072402 is 2042704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3956121 + 116281 = 1989^2 + 341^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4072402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018099 + ... + 1018102.

Almost surely, 2^4072402 is an apocalyptic number.

4072402 is a deficient number, since it is larger than the sum of its proper divisors (2036204).

4072402 is a wasteful number, since it uses less digits than its factorization.

4072402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036203.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4072402 is about 2018.0193259729. The cubic root of 4072402 is about 159.6921424030.

It can be divided in two parts, 407 and 2402, that added together give a square (2809 = 53²).

The spelling of 4072402 in words is "four million, seventy-two thousand, four hundred two".