7350991 has 4 divisors (see below), whose sum is σ = 7357192. Its totient is φ = 7344792.

The previous prime is 7350983. The next prime is 7351031. The reversal of 7350991 is 1990537.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1990537 = 97 ⋅20521.

It is a cyclic number.

It is not a de Polignac number, because 7350991 - 2³ = 7350983 is a prime.

It is a Duffinian number.

7350991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7350691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705 + ... + 3898.

It is an arithmetic number, because the mean of its divisors is an integer number (1839298).

Almost surely, 2^7350991 is an apocalyptic number.

7350991 is a deficient number, since it is larger than the sum of its proper divisors (6201).

7350991 is a wasteful number, since it uses less digits than its factorization.

7350991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 7350991 is about 2711.2711041133. The cubic root of 7350991 is about 194.4383664192.

The spelling of 7350991 in words is "seven million, three hundred fifty thousand, nine hundred ninety-one".