7148402 has 4 divisors (see below), whose sum is σ = 10722606. Its totient is φ = 3574200.

The previous prime is 7148399. The next prime is 7148419. The reversal of 7148402 is 2048417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2048417 = 7 ⋅292631.

It can be written as a sum of positive squares in only one way, i.e., 7134241 + 14161 = 2671^2 + 119^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787099 + ... + 1787102.

Almost surely, 2^7148402 is an apocalyptic number.

7148402 is a deficient number, since it is larger than the sum of its proper divisors (3574204).

7148402 is a wasteful number, since it uses less digits than its factorization.

7148402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574203.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 7148402 is about 2673.6495656686. The cubic root of 7148402 is about 192.6354991363.

The spelling of 7148402 in words is "seven million, one hundred forty-eight thousand, four hundred two".