7445933906 has 4 divisors (see below), whose sum is σ = 11168900862. Its totient is φ = 3722966952.

The previous prime is 7445933861. The next prime is 7445933923. The reversal of 7445933906 is 6093395447.

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., 4727250025 + 2718683881 = 68755^2 + 52141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861483475 + ... + 1861483478.

Almost surely, 2^7445933906 is an apocalyptic number.

7445933906 is a deficient number, since it is larger than the sum of its proper divisors (3722966956).

7445933906 is a wasteful number, since it uses less digits than its factorization.

7445933906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722966955.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The square root of 7445933906 is about 86289.8250432807. The cubic root of 7445933906 is about 1952.7188815120.

The spelling of 7445933906 in words is "seven billion, four hundred forty-five million, nine hundred thirty-three thousand, nine hundred six".