7397210146 has 4 divisors (see below), whose sum is σ = 11095815222. Its totient is φ = 3698605072.

The previous prime is 7397210141. The next prime is 7397210213. The reversal of 7397210146 is 6410127937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6410127937 = 37 ⋅173246701.

It can be written as a sum of positive squares in only one way, i.e., 5305519921 + 2091690225 = 72839^2 + 45735^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7397210099 and 7397210108.

It is not an unprimeable number, because it can be changed into a prime (7397210141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849302535 + ... + 1849302538.

Almost surely, 2^7397210146 is an apocalyptic number.

7397210146 is a deficient number, since it is larger than the sum of its proper divisors (3698605076).

7397210146 is a wasteful number, since it uses less digits than its factorization.

7397210146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698605075.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7397210146 is about 86007.0354447821. The cubic root of 7397210146 is about 1948.4502388278.

The spelling of 7397210146 in words is "seven billion, three hundred ninety-seven million, two hundred ten thousand, one hundred forty-six".