7390084891 has 16 divisors (see below), whose sum is σ = 8701888000. Its totient is φ = 6272829864.

The previous prime is 7390084873. The next prime is 7390084901. The reversal of 7390084891 is 1984800937.

It is a happy number.

It is not a de Polignac number, because 7390084891 - 2⁹ = 7390084379 is a prime.

It is a super-2 number, since 2×7390084891² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7390084291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69261 + ... + 139918.

It is an arithmetic number, because the mean of its divisors is an integer number (543868000).

Almost surely, 2^7390084891 is an apocalyptic number.

7390084891 is a deficient number, since it is larger than the sum of its proper divisors (1311803109).

7390084891 is a wasteful number, since it uses less digits than its factorization.

7390084891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209303 (or 209289 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 7390084891 is about 85965.6029525763. The cubic root of 7390084891 is about 1947.8244324081.

The spelling of 7390084891 in words is "seven billion, three hundred ninety million, eighty-four thousand, eight hundred ninety-one".